Earls of Tweeddale (1646) John Hay, 1st Earl of Tweeddale (1593-1653) John Hay, 2nd Earl of Tweeddae (1626-1697), became Marquess in 1694. Marquesses of Tweeddale (1694) John Hay, 1st Marquess of Tweeddale (1626-1697) John Hay, 2nd Marquess of Tweeddale (1645-1713) Charles Hay, 3rd Marquess of Tweeddale (1670-1715) John Hay, 4th Marquess of Tweeddale (1695-1762) George Hay, 5th Marquess of Tweeddale (1758-1770) George Hay, 6th Marquess of Tweeddale (1700-1787) George Hay, 7th Marquess of Tweeddale (1753-1804) George Hay, 8th Marquess of Tweeddale (1787-1876) Arthur Hay, 9th Marquess of Tweeddale (1824-1878) William Montagu Hay, 10th Marquess of Tweeddale (1826-1911) William George Montagu Hay, 11th Marquess of Tweeddale (1884-1967) David George Montagu Hay, 12th Marquess of Tweeddale (1921-1979) Edward Douglas John Hay, 13th Marquess of Tweeddale (b.1947)